# CalcuRun vs PrepChef AI

The clearest difference is monetization model: CalcuRun at free against PrepChef AI's freemium. PrepChef AI's advantage is update cadence (weekly vs every 4 weeks) and iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CalcuRun sells 5 one-off in-app purchases and PrepChef AI sells 1 in-app purchase, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CalcuRun against 5.0 for PrepChef AI. Both are backed by a comparable volume of ratings — 6 and 10 respectively.

CalcuRun ships an update every 4 weeks, PrepChef AI weekly. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CalcuRun | PrepChef AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/calcurun/id1554474187/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/prepchef-ai/id6754984795/reviews) |
| Number of ratings | 6 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 50 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Iannazzone](https://appshunter.io/developer/1554474189) | [AM Collective LLC](https://appshunter.io/developer/6786817789) |

## What reviewers say

### CalcuRun

[App page](https://appshunter.io/ios/app/calcurun/id1554474187)

This app helps runners predict race times, plan training paces, and calculate race splits. It offers a science-based approach to training, with predictions based on recent performance. All calculations are done on-device for privacy.

**Highlights:** Predict race times based on recent performance, Plan workout paces, Calculate race splits, Support for custom race distances, iCloud sync across devices, On-device calculations for privacy

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Mile | $0.99 | one-time |
| 5K | $1.99 | one-time |
| Turkey Trot | $3.99 | one-time |
| Half Marathon | $5.99 | one-time |
| Marathon | $9.99 | one-time |


### PrepChef AI

[App page](https://appshunter.io/ios/app/prepchef-ai/id6754984795)

This app simplifies meal planning by learning your preferences and dietary needs. It integrates with grocery delivery services and offers a curated collection of recipes, helping you reduce food waste and avoid last-minute takeout.

**Highlights:** AI-driven meal planning, Personalized taste and dietary learning, Instacart grocery order integration, Curated recipe collection, Food waste reduction, Recipe inspiration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Head Chef | $11.99 | per month |


## Frequently asked questions

### Is CalcuRun free?

CalcuRun is free to download, with in-app purchases available.

### Is PrepChef AI free?

PrepChef AI is free to download, with in-app purchases available.

### Which has better reviews, CalcuRun or PrepChef AI?

CalcuRun and PrepChef AI are both rated 5.0 out of 5 on the App Store, from 6 and 10 ratings respectively.

### Do CalcuRun or PrepChef AI have ads?

Neither CalcuRun nor PrepChef AI shows ads.

### Which is updated more often, CalcuRun or PrepChef AI?

CalcuRun ships an update every 4 weeks, and PrepChef AI weekly. Most recently, CalcuRun was updated on September 9, 2026 and PrepChef AI on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*